National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat in the Central and Eastern U.S.; Critical Fire Weather in the Great Basin and Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue Tuesday across portions of the Four Corners and Great Basin, as dry conditions and gusty winds persist. Read More >

Hazardous Weather Conditions

Current conditions at

Lamoni, Lamoni Municipal Airport (KLWD)

Lat: 40.63°NLon: 93.9°WElev: 1129ft.

Fair

84°F

29°C

Humidity 77%
Wind Speed S 13 mph
Barometer 29.80 in (1007.8 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 29 Jun 8:53 pm CDT
Extended Forecast for

Mount Ayr IA

Extreme Heat Warning June 29, 09:49pm until July 1, 10:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 29, 09:49pm until July 1, 10:00pm

    NOW until 10:00pm Wed

    Extreme Heat Warning

  • Tonight

    Low: 76 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 90. Breezy, with a south southwest wind 13 to 17 mph, with gusts as high as 26 mph.

    High: 90 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 74. South southwest wind around 14 mph, with gusts as high as 24 mph.

    Low: 74 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 89. Breezy, with a south wind 13 to 18 mph, with gusts as high as 28 mph.

    High: 89 °F

    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 75. South wind 11 to 15 mph, with gusts as high as 24 mph.

    Low: 75 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 89.

    High: 89 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 73.

    Low: 73 °F

    Chance
    T-storms

  • Friday

    Friday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

Detailed Forecast

Tonight
Mostly cloudy, with a low around 76. Breezy, with a south southwest wind 13 to 18 mph, with gusts as high as 26 mph.
Tuesday
Mostly sunny, with a high near 90. Breezy, with a south southwest wind 13 to 17 mph, with gusts as high as 26 mph.
Tuesday Night
Partly cloudy, with a low around 74. South southwest wind around 14 mph, with gusts as high as 24 mph.
Wednesday
Mostly sunny, with a high near 89. Breezy, with a south wind 13 to 18 mph, with gusts as high as 28 mph.
Wednesday Night
Partly cloudy, with a low around 75. South wind 11 to 15 mph, with gusts as high as 24 mph.
Thursday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 89.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 73.
Friday
Mostly sunny, with a high near 91.
Friday Night
Partly cloudy, with a low around 72.
Independence Day
Mostly sunny, with a high near 91.
Saturday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 67.
Monday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mount Ayr IA
 40.71°N 94.25°W
Last Update:
9:22 pm CDT Jun 29, 2026
Forecast Valid:
9pm CDT Jun 29, 2026-6pm CDT Jul 6, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation